P6 tube preamp and headphone amp: With Bluetooth and stereo RCA inputs, amplify the low level audio signal from your phone, tablet, PC, TV, MP3 etc., much easier to drive amplifier or active speaker to greatly improve the sound quality. With built-in classic headphone amp circuit (2*NE5532), easily to drive 16-300 ohm headphones, enjoy HiFi analog sound and first-class design with an unbeatable low cost. .
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